Decimal Fractions Questions and Answers for All Competitive Exam

1. What is 3.\overline {76} – 1.4\overline {576} equal to?

1. 2.3\overline {100191}
2. 2.3\overline {101091}
3. 2.3\overline {110091}
4. 2.3\overline {110901}

2. What is 27 x 1.\overline {2} x 5.526\overline {2} x 0.\overline {6}

1. 121.\overline {57}
2. 121.\overline {75}
3. 121.7\overline {5}
4. None of these

3. What is the value of 2.\overline {6} – 1.\overline {9}?

1. 0.6
2. 0.9
3. 0.\overline {7}
4. 0.7

4. Which of the following is a non-terminating and repeating decimal?

1. \frac {13}{8}
2. \frac {3}{16}
3. \frac {3}{11}
4. \frac {137}{25}

5. What is the value of 1.\overline {34} + 4.\overline {12}

1. \frac {133}{90}
2. \frac {371}{90}
3. 5\frac {219}{990}
4. 5\frac {461}{990}

6. Which of the following is correct?

1. –\frac {7}{10} < –\frac {2}{3} < –\frac {5}{8}
2. –\frac {5}{8} < –\frac {2}{3} < –\frac {7}{10}
3. –\frac {5}{8} < –\frac {7}{10} < –\frac {2}{3}
4. –\frac {5}{8} < –\frac {5}{8} < –\frac {2}{3}

8. If 1 is subtracted from the numerator of a fraction it becomes \frac {1}{3} and if 5 is added to the denominator the fraction becomes \frac {1}{4}. Which fraction shall result, if 1 is subtracted from the numerator and 5 is added to the denominator?

1. \frac {5}{12}
2. \frac {7}{23}
3. \frac {1}{8}
4. \frac {2}{3}

9. Which of the following is correct?

3.292929 ……………… is

1. an integer
2. a rational number
3. an irrational number
4. not a real number

10. If 2.5252525 ……………. = \frac {p}{q} (in the lowest form), then what is the value of \frac {q}{p}?

1. 0.4
2. 0.42525
3. 0.0396
4. 0.396

11. 1\frac {3}{5} + 1\frac {8}{9} + 2\frac {4}{5} = ?

1. 6\frac {19}{45}
2. 6\frac {16}{45}
3. 6\frac {17}{45}
4. 6\frac {13}{45}

12.\frac {16}{23} x \frac {47}{288} x \frac {92}{141} = ?

1. \frac {4}{27}
2. \frac {2}{27}
3. \frac {2}{29}
4. \frac {3}{28}
5. None of these

13. \frac {3}{4} of \frac {5}{6} of \frac {7}{10} of 1664 = ?

1. 648
2. 762
3. 612
4. 728
5. None of these

14.  If 1\frac {2}{3} ÷ \frac {2}{7} x \frac {x}{7} = 1\frac {1}{4} x \frac {2}{3} ÷ \frac {1}{6} then find the value of x.

1. 0.006
2. \frac {1}{6}
3. 0.6
4. 6

15. If x+ \frac { 1 }{ 1+\frac { 1 }{ 2+\frac { 1 }{ 3 } } } = 2, then what is x equal to?

1. \frac {7}{10}
2. \frac {13}{10}
3. \frac {11}{10}
4. \frac {17}{10}

16. The value of 4 – \frac { 5 }{ 1+\frac { 1 }{ 3+\frac { 1 }{ 2+\frac { 1 }{ 4 } } } } is

1. \frac {1}{8}
2. \frac {1}{32}
3. \frac {1}{64}
4. \frac {1}{16}

17. Which one among the following is the largest?

A. \frac {7}{9}

B. \frac {11}{14}

C. \frac {3}{4}

D. \frac {10}{13}

18. Out of the fractions \frac {4}{7}, \frac {5}{13}, \frac {6}{1}, \frac {3}{5} and \frac {2}{3} which is the second smallest fraction?

A. \frac {4}{7}

B. \frac {5}{13}

C. \frac {6}{11}

D. \frac {3}{5}

19. Out of the fractions \frac {5}{7}, \frac {4}{9}, \frac {6}{11}, \frac {2}{5} and \frac {3}{4} what is the difference between the largest and the smallest factions?

A. \frac {6}{13}

B. \frac {11}{18}

C. \frac {7}{18}

D. \frac {11}{20}

20. When 0.252525…. is converted into a fraction, then find the result.

A. \frac {25}{99}

B. \frac {25}{90}

C. \frac {25}{999}

D. \frac {25}{9999}

21. Representation of 0.2\overline {341} in the form of p/q where p and q are integer, q≠0 is

A. \frac {781}{3330}

B. \frac {1171}{4995}

C. \frac {2341}{9990}

D. \frac {2339}{9990}

22. 1088.88 + 1800.08 + 1880.80 = ?

A. 8790.86

B. 8890.86

C. 5588.80

D. 4769.76

E. None of these

23. The simplification 0.\overline {63} + 0.\overline {37} + 0.\overline {80} yield the result

A. 1.\overline {80}

B. 1.\overline {81}

C. 1.\overline {79}

D. 1.80